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Saint Clair County Historical Household and Family Data
ACS 2010-2014 data
Total population: 9,609
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,057, 100% | 2,361,232 | 116,211,092 |
| Average Household Size | 2.31, see rank | 2.48 | 2.63 |
| 1 Person Households | 1,280, 31.55%, see rank | 29.09% | 27.57% |
| 2 or More Person Households | 2,777, 68.45%, see rank | 70.91% | 72.43% |
| Family Households (Families) | 2,596, 63.99%, see rank | 64.92% | 66.22% |
| Average Family Size | 2.97, see rank | 3.15 | 3.32 |
| Married-Couple Family | 1,997, 49.22%, see rank | 48.54% | 48.42% |
| Nonfamily Households | 1,461, 36.01%, see rank | 35.08% | 33.78% |
US Census 2010 data
Total population: 9,805
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,161, 100% | 2,375,611 | 116,716,292 |
| Average Household Size | 2.31, see rank | 2.45 | 2.58 |
| 1 Person Households | 1,234, 29.66%, see rank | 28.30% | 26.74% |
| 2 or More Person Households | 2,927, 70.34%, see rank | 71.70% | 73.26% |
| Family Households (Families) | 2,737, 65.78%, see rank | 65.34% | 66.43% |
| Average Family Size | 2.83, see rank | 3.00 | 3.14 |
| Married-Couple Family | 2,217, 53.28%, see rank | 48.45% | 48.42% |
| Nonfamily Households | 1,424, 34.22%, see rank | 34.66% | 33.57% |
ACS 2008-2012 data
Total population: 9,693
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,365, 100% | 2,358,270 | 115,226,802 |
| Average Household Size | 2.18, see rank | 2.46 | 2.61 |
| 1 Person Households | 1,363, 31.23%, see rank | 28.74% | 27.45% |
| 2 or More Person Households | 3,002, 68.77%, see rank | 71.26% | 72.55% |
| Family Households (Families) | 2,880, 65.98%, see rank | 65.45% | 66.47% |
| Average Family Size | 2.75, see rank | 3.11 | 3.29 |
| Married-Couple Family | 2,211, 50.65%, see rank | 49.16% | 48.97% |
| Nonfamily Households | 1,485, 34.02%, see rank | 34.55% | 33.53% |
ACS 2006-2010 data
Total population: 9,757
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,320, 100% | 2,349,955 | 114,235,996 |
| Average Household Size | 2.24, see rank | 2.45 | 2.59 |
| 1 Person Households | 1,285, 29.75%, see rank | 28.52% | 27.24% |
| 2 or More Person Households | 3,035, 70.25%, see rank | 71.48% | 72.76% |
| Family Households (Families) | 2,925, 67.71%, see rank | 65.81% | 66.75% |
| Average Family Size | 2.79, see rank | 3.08 | 3.25 |
| Married-Couple Family | 2,384, 55.19%, see rank | 49.87% | 49.60% |
| Nonfamily Households | 1,395, 32.29%, see rank | 34.19% | 33.25% |
ACS 2005-2009 data
Total population: 9,379
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,139, 100% | 2,322,238 | 112,611,029 |
| Average Household Size | 2.24, see rank | 2.47 | 2.60 |
| 1 Person Households | 1,164, 28.12%, see rank | 28.35% | 27.32% |
| 2 or More Person Households | 2,975, 71.88%, see rank | 71.65% | 72.68% |
| Family Households (Families) | 2,858, 69.05%, see rank | 65.96% | 66.67% |
| Average Family Size | 2.75, see rank | 3.11 | 3.27 |
| Married-Couple Family | 2,316, 55.96%, see rank | 49.97% | 49.71% |
| Nonfamily Households | 1,281, 30.95%, see rank | 34.04% | 33.33% |
US Census 2000 data
Total population: 9,652
| Saint Clair County | Missouri | U.S. | |
| Total Households | 4,040, 100% | 2,194,594 | 105,480,101 |
| Average Household Size | 2.34, see rank | 2.48 | 2.59 |
| 1 Person Households | 1,106, 27.38%, see rank | 27.33% | 25.82% |
| 2 or More Person Households | 2,934, 72.62%, see rank | 72.67% | 74.18% |
| Family Households (Families) | 2,790, 69.06%, see rank | 67.28% | 68.06% |
| Average Family Size | 2.83, see rank | 3.02 | 3.14 |
| Married-Couple Family | 2,327, 57.60%, see rank | 51.99% | 51.66% |
| Nonfamily Households | 1,250, 30.94%, see rank | 32.72% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.